Verified Company
Hangzhou Darhor Technology Co., Limited
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Product Specifications:
electric solenoid valve
1.ISO 9001:2000, CE approved
2.1 million times life testing
3.Reliable quality
4.One year guarantee
Water valve- DHD21 pilot diaphragm structure
Characteristic: 1.Pilot operated diaphragm construction with less power consumption for longtime working;
2. Applied to pressure system opened from 0.3 bars;
3. Lifespan can be at 1 million cycles.
Medium: Water, air, gas, etc.
Temperature: NBR Seal: 14F to 176F, -10 to 80
EPDM Seal: 14F to 250F, -10 to 120
VITON Seal: 14F to 300F, -10 to 150
Pressure: DHD11: 0.3 ~ 10 bar
Port Size: 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
Port Thread: BSPP, BSPT, NPT, Flange, UNF, M8X1
Orifice (mm): 12, 15, 20, 25, 32, 40, 50
Voltage: DC - 12V, 24V
AC - 24V, 120V, 240V/60HZ; 110V, 220V/50HZ
Tolerance: +/- 10%
Coils: S91B/H, 17VA (AC), 10W (DC), IP65, 100%ED
Special coils: EX coil AC 220 V, DC 24 V;
Latching coil. DC 6 ~ 12 V on request)
Equivalent code DHL21 series
NASS COIL 0543 is suitable for DHD21
Material: Stainless steel/BRASS
Seal -NBR, EPDM, or VITON
Armature Tube - Stainless Steel 304
Plunger - Stainless Steel 430F
Stop -Stainless Steel 430F
Springs - SS 304
Shading Rings - Stainless Steel 304
DHD21 Series Normally Closed, with Coil S91B, DIN
| Port Size | Orifice | Cv | Min Pressure(bar) | Max Pressure(bar) | Valve Body | Coil | |
| AC(22VA) | DC(14W) | ||||||
| 3/8" | 12 | 4.5 | 0. 3 | 10 | 10 | DHD2112 X X X | S21B/H |
| 1/2" | 15 | 4.5 | 0. 3 | 10 | 10 | DHD2115 X X X | S21B/H |
| 3/4" | 20 | 9.3 | 0. 3 | 10 | 10 | DHD2120 X X X | S21B/H |
| 1" | 25 | 12 | 0. 3 | 10 | 10 | DHD2125 X X X | S21B/H |
| 1 1/4" | 32 | 24 | 0. 3 | 10 | 10 | DHD2132 X X X | S21B/H |
| 1 1/2" | 40 | 29 | 0. 3 | 10 | 10 | DHD2140 X X X | S21B/H |
| 2" | 50 | 48 | 0. 3 | 10 | 10 | DHD2150 X X X | S21B/H |
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Production Process:
Product Certification:
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